A new proximity probe to overcome eddy current probe. Suitable for use with oscilloscopes, recorders and data loggers a. Eddy current probes are classified by the configuration and mode of operation of the test coils. Eddycurrent probe design 175 channel if the detection channel is not perfectly orthogonal to the liftoff. Each eddy current probe available from ndts has a unique code. Oscilloscope current probes current probes sense the current flowing through a conductor and convert it to a voltage that can be viewed and measured on an oscilloscope. The cracked sides of the test pieces root side were scanned. Find new, used, and refurbished current probes at valuetronics. Selfnulling eddy current probe for surface and subsurface. Eddy current probes are available in a large variety of shapes and sizes. This catalogue features the standard range of ge eddy current probes and accessories. One main advantage of the method is the high sensibility to large wallthickness reductions without sharp edges.
Any discontinuities or material property variations that change the eddy current flow in the part are detected as potential defects by the probe. Probe innovations improve inspection efficiencies with combo and high stability x probes zetecs combination array and bobbin probes help save time and money. Eddy current probes all specifications are subject to change without notice. Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment. The f364 offers a wide bandwidth measurement capability for the lab and bench environment. It also features the autoprobe interface which makes current measurements as simple as those made with active voltage probes. Eddy probe systems have excellent frequency response.
All four test pieces were tested with eddy current method. Introducing the current probe the fluke 80i110s is a clampon acdc current probe that reproduces current waveforms found in modern commercial and industrial power distribution systems. Current probes are used in particular where other coupling networks, such as lineimpedance stabilization networks, are either not available or not suitable. Lecroy current probes do not require the breaking of a circuit. We offer a wide selection of bobbin probes for quick tubing inspections. The magnetic immunity requirements that are below 30 hz are good match for pearson probes. New aspects for remote field eddy current probe development. Since 1968, zetec has manufactured over 10,000 different probe designs to meet the constantly changing needs of the nondestructive testing ndt market.
Zetec eddy current surface array probes are specifically designed to solve the inspection challenges companies face everyday. This probe has a small outer diameter, approximately 71 mm with an internal diameter of 32 mm. The ferrite core coils wound for this study are small but typical of the sizes commonly used in commercially manufactured eddy current probes. A new proximity probe to overcome eddy current probe limitations. F3 64 current probe fischer custom communications, inc. The current probe is inserted in the power supply line of a target and is capable of.
The waveform of the eddy current probe signal does have the same general shape as the lvdt signal but appears to lag the movement of the shaft. To increase the measurement sensitivity of the pa677 current probe, loop additional turns of the wire under test through the jaws. Eddy current techniques in ndeeddy current techniques in nde. Eddy current probe catalog introduction 6 every section in this probe catalog begins with a short description of the different eddy current products available.
More details on probe cabling are available in our eddy current probe cabling considerations technote. Take the reading on the meter and multiply it by 10 to obtain the measured current e. Model jm861 is a high performance ac current probe for higher currents. Eddy current probe selection information olympus ims. With the new tx series, eddylab is introducing a fully digital device incorporating usb, can and a highspeed analogue interface. The windows probe can be installed on any server behind the firewall. File the completed record as required by applicable internal quality procedures. If the current magnitude is unknown, start with the highest range and work down until the appropriate range and resolution are reached. Plus significantly reduce dose and radiation waste. The development of remote field eddy current probes requires experience and expensive experiments. Selfnulling eddy current probe for surface and subsurface flaw detection b.
The selection of the right eddy current probe is of great importance in the success of your inspection. In these pages, we have included useful information to help you make the ri. When monitoring a very large environment, however, we recommend that the probe be installed on a dedicated server. Pdf eddy current probes based on magnetoresistive array. Because eca technology is even faster and easier to use than traditional eddy current technology, it has become a more frequent choice for nondestructive pipeline evaluation in recent years. Yes, eddy current technology has proved reliable in a number of sectors in addition to pipeline, from transportation to aerospace. From detecting extremely small defects to inspecting nonflat surfaces and covering a wide area in a single pass. N2820a 3 mhz50ua high sensitivity acdc current probe 2.
Cp030cp030a and cp031cp031a current probes operators manual. Hioki flat bandwidth current probes are bestinclass current sensors for use with memory hicorders and high performance oscilloscopes. Xprobe and cxb array probes to quickly find and characterize all flaws. The numerical simulation of electromagnetic fields can be used not only for a better understanding of the remote field effect but also for the probe lay out. A wide variety of eddy current probes options are available to you, such as auto testing machine. We report the results of the first phase of a study designed to quantify the relationship between eddy current coil construction and the performance of these coils used in nondestructive evaluation nde inspections. Fep cables can be custom ordered for standard temperature range probes. The probes spo2210 and spo1958 include two parallel. Inspection current amplitudes from 1 a to 7 a can be generated together with variable pulse widths and inspection rates of up to 300 hz. In fact, one of the major advantages of eddy current inspection is that probes can be custom designed for a wide variety of applications. Cad files eddycurrent sensor probes lion precision. It has been designed to make the inspection of fastener holes accurate and quick. N2820a 3 mhz50ua high sensitivity acdc current probe 2ch. Systems current probe fixture table of contents introduction 3 general information 4 test methods 5 safety 7 figures 8 formulas 10 maintenance 11 warranty 12 a.
Sizing of fatigue cracks using different eddy current. Eddy current probes are particularly suitable devices for noncontact measurements on metallic targets. Each of these kits are designed to meet the needs of our customers and their business. Acdc current probe includes 9v battery, user manual, and 5 ft integral leads. In this technique, the probe is excited with an alternating current, inducing eddy currents in the part under inspection. It is mounted through or to the side of a bearing cap and observes the shafts movement relative to its mounting position. Nondestructive testing, pulsed eddy currents, probe array, multiplexing, field programmable gate array, digital signal processing. The probes performance is optimized for accurate reproduction of currents at line frequency and up to the 50th harmonic waveform. The ct6700 is a highsensitivity current probe that offers a wide dc to 50 mhz bandwidth and 5a of continuous input, and applications include capturing transient current signals from switching power supplies, inverters, and motor controllers. The n2820a 2channel current probe connects to two oscilloscope channels to provide simultaneous low and highgain views for wider dynamic range measurement, while the n2821a 1channel current probe provides one userselectable view at a time. The first time network probe is started, you are prompted to set a password for the admin user. Eddy current is a noncontact method used to inspect nonferromagnetic tubing.
If you cannot find a probe or accessory to meet your inspection requirements, please contact your local. Array nuclear sg edf probes a combination x probe sax smx probe was created for the french market. N2820a21a highsensitivity, high dynamic range current. For the rcs thruster inspection, important factors concerning the eddy current probe design include the use of one or more coils secondary coils as reference coils, coil orientations three different axial directions with respect to the cavity, coil dimension, and probe frequency 1 50 khz. Eddy current probe catalog probe kits continued 8 to order. The nprobe probe has to be activated on a pc from which it is possible to see capture all the traffic you are interested in. The current probe is a passive, high frequency pickup device for electric currents. Cp03xcp03xa current probe operators manual teledyne lecroy. Oscilloscope current probe oscilloscope current probes. Cp030cp030a derating curve maximum input current vs. For this reason, in case of switched networks, it is necessary to either mirror traffic vlan or port mirror or place the probe on a location e. Reference standards should be used in every application and are available in many configurations and materials. Download the datasheet pdf to learn more or goto the product page.
Review the maximum current requirements and the probes maximum current rating prior to selection. This feature allows the probe data to remain in tolerance longer by reducing wear. Dc current 30a accurate dcac current probe 1mdca high resolution on 4a dc range 0. Keysight 1146a acdc current probe provides accurate display and measurement of currents from 100 ma to 100 a rms, dc to 100 khz, without breaking the. The probe features low noise and low circuit insertion loss. The sensitivity of the pa677 current probe is multiplied times the number of loops in the jaws. The f364 current probe has a split core mechanical design permitting it to easily clip on and off a conductor. Keysight current probes use a hybrid technology that includes a hall effect sensor, which senses the dc current and a current transformer, which senses the ac current.
Our design team understands the regulatory requirements for tubing and plate. It may also provide information about features and functions, applications and troubleshooting. Windows probes are installed using either a generic installation program or a customerspecific installation program. A more detailed analysis 4 shows that the secondorder lift off is orthogonal to the firstorder liftoff and, therefore, has a component in the signal channel. Olympus ndt is a leading global manufacturer of innovative nondestructive testing instruments that. This section gives a short description on how to build a probe part number. Array nuclear sg edf probes a combination xprobe sax smx probe was created for the french market. Very low limit of 50 dbua from 30 hz to 20 khz means a sensitive probe such as 1 va or 0. The new n2820a series highsensitivity current probes address. The ct6846 is a highprecision a acdc current probe that features a wide operating temperature range and large jaw diameter, making them ideal for evaluating the operational integrity of devices that are subject to extreme. Corrosion detection and measurement using eddy current methods.
This document is targeted to product users and explains operation andor installation procedures. Probe catalog aerospace maintenance and manufacturing component testing automotive manufacturing. Dual element sliding probe absolute reflection this probe is designed to slide over rows of fasteners to detect flaws. Mar 03, 2017 100 amp acdc current probe instructions. An eddy probe system comprises a probe, a driver oscillator demodulator, and an extension cable. The applied eddy current techniques probes and frequencies are shown intable 1 andfigure 6.
Its size allows inspections to be performed in confined space and the lightweight design helps prevent fatigue when a large. The ct6700 is a highsensitivity current probe that offers a wide dc to 50 mhz bandwidth and 5a of continuous input, and applications include capturing transient current signals from switching power supplies, inverters, and motor. It is used in side channel analysis sca to measure the power consumption of a target with great sensivity. Please make sure that you have already read and fully. Indicates that a pdf manual for that probe is available free from tektronix download tektronix probe manuals from tektronix site. The area within 3 probe diameters to the sides and 1,5 diameters behind should be kept clear of any metallic objects other than the object to. Keysight n2893a 100 mhz current probe users guide introduction the n2893a is a wideband, dc to 100 mhz, active current probe. Eddy current probe sensitivity as a function of coil. Acdc current probe standard accessories instruction manual 0706xx probe ground lead 6 in. The remote field eddy current technique is an electromagnetic ndt method which is more and more used for the inspection of ferrous heat exchanger and boiler tubes.
This probe boasts zetecs array coil technology and a bobbin sax probe that has an electro magnet that can be turned on and off. The ct6846 is a highprecision a acdc current probe that features a wide operating temperature range and large jaw diameter, making them ideal for evaluating the operational integrity of devices that are subject to extreme temperature ranges. The eddy current probe figure 3 exhibits a peaktopeak level of electrical runout of 0. General surface probes, aerospace probes, dedicated inspection probes and accessories. The eddy probe is used to measure radial or axial shaft motion. Olympus manufactures high quality cables and adaptors to fit with all eddy current probe models. Electronic system for nondestructive testing using eddy. It has an extremely small form factor for clipping on conductors in small spaces.
Hioki acdc clamp sensors are bestinclass current sensors for use with power meters, memory hicorders and high performance oscilloscopes. Bobbin probe disadvantagesbobbin probe disadvantages merits. The probe s performance is optimized for accurate reproduction of currents at line frequency and up to the 50th harmonic waveform. Bahr, novel eddy current probe development, sri international report afwaltr814159 to air force wright aeronautical laboratories, wrightpatterson afb, oh 45433, december 1981. Flexible shaft surface probes type coil tip angle length drop frequency shaft size connector part id item n.
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